Blue Notes · Umpire Grade2026-06-17
MIA @ PHI
Home plate: Dexter Kelley
“Down the middle. Both dugouts had the same zone.”
Umpire Grade
94.3% accurate
Run Favor
runs, PHI
ABS Overturns
of 4 reviewed
What this shows — how Dexter Kelley called the 141 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 133 right. Below, only his misses are plotted, alongside every pitch the ABS (Automated Ball-Strike System) reviewed on a challenge.
The zone, as he called it
strike called ballball called strikeABS overturnedABS upheld
The calls that moved the game
- 1+0.13▼9 · 1-1 strike called ball
Rafael Marchán vs John King - 2-0.10▲3 · 0-1 ball called strike
Esteury Ruiz vs Tim Mayza - 3-0.09▼3 · 0-0 ball called strike
Gabriel Rincones Jr. vs Sandy Alcantara
Run impact from the count run-value table: a missed strike three is worth far more than one on 3-0.
ABS — the Automated Ball-Strike System
4 pitches went to the robots · 0 overturned (ump overruled) · 4 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Garrett Stubbs — ump said ball, robot ruled ball: upheld.
- 2Joe Mack — ump said ball, robot ruled ball: upheld.
- 3Otto Lopez — ump said strike, robot ruled strike: upheld.
- 4Garrett Stubbs — ump said ball, robot ruled ball: upheld.
Our tracked-rulebook zone matched the ABS ruling on 3 of 4 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.